How to call a function in switch with , code example

Example: switch function

var rand = Math.round(random(1,4));
        
    switch(rand){
        case 1: console.log("Chosen Number : 1");
        break;
        case 2: console.log("Chosen Number : 2");
        break;
        case 3: console.log("Chosen Number : 3");
        break;
        case 4: console.log("Chosen Number : 4");
        default: break;
    }